Portion of an appliance



FIG. 1 is a front perspective view of a portion of an appliance showing my new design;

FIG. 2 is a front view thereof; and,

FIG. 3 is a perspective view thereof.

The broken line showing of an appliance in FIG. 3 is included for the purpose of illustrating the environment and forms no part of the claimed design. 

The ornamental design for a portion of an appliance, as shown and described. 